| Experimental frequencies for (cm−1)f | Calculated from Equation (14) | Calculated from Equation (15) |
| 117 | 161 | 146 |
| 265 | 288 | 258 |
| 411 | 409 | 396 |
| 548 | 530 | 533 |
| 677 | 651 | 667 |
| 800 | 772 | 796 |
| 918 | 893 | 919 |
| 1033 | 1014 | 1039 |
| 1145 | 1135 | 1154 |
| 1257 | 1256 | 1265 |
| 1368 | 1377 | 1374 |
| 1479 | 1498 | 1479 |
| 1591 | 1620 | 1581 |